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Virtual Sound Source Rendering Using a Multipole-Expansion and Method-of-Moments Approach

Using an arbitrary arrangement of loudspeakers, a novel method for rendering audio signals can create virtual and immersive environments. By emphasizing a small sweet spot, unlike the more popular wavefield synthesis (WFS), this method renders virtual sources in a small area around a single listener, which significantly reduces the number of loudspeakers required for comparable performance. A standard personal computer is able to run the computationally efficient algorithm in real time. An example demonstrates a tone moving through the listener's environment.

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JAES Volume 56 Issue 6 pp. 473-481; June 2008
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